It is 600 000.
7 at 10000th place, so the no. becomes 600000
six hundred thousand (600,000). Look at the digit in the hundred thousand place [5], then look at the digit in the ten-thousand place to decide if you round up [5-9] or keep it the same [0-4]. In this case it is 7, so the 5 rounds up to 6.
3156770 = 3200000 to the nearest hundred thousand.
2,000,345 to the nearest hundred thousand is 2,000,000
570,000
570,000
0.8394263 rounded to the nearest hundred-thousand = 0.83943
5416755 rounded to the nearest hundred thousand is 5400000.
2479015 rounded to the nearest hundred thousand is 2500000.
57,633,712 rounded to the nearest hundred thousand is 57,600,000.
Nearest hundred: 82600,Nearest ten thousand: 80000.
It is then 800,000 to the nearest hundred thousand